ACT Legislative Assembly

Filling a casual vacancy

Unlike many other legislatures in Australia, the Assembly does not hold a by-election to fill a casual vacancy (created by the resignation or death of an MLA). The processes for electing a new MLA are set out in the Electoral Act 1992.

A new member is chosen by recounting the votes received by the vacating member to establish which candidate is next preferred by these voters (the people who originally voted for the vacating member). For a candidate to be considered in this process, they must have contested the original election and also have indicated that they would like to contest the casual vacancy.

If the vacating member was elected as a member of a registered political party, the new member must be of the same political party. If the vacating member was not a member of a political party (for example, an independent member), the person chosen to fill the vacancy cannot have been a member of a registered political party in the 12 months prior to filling the vacancy.

If it's not possible to fill the casual vacancy through this process, for example, if no candidates come forward to contest the vacancy, the Legislative Assembly will choose a person to fill the vacancy.

This is only the second time a count back of votes has been performed during the Ninth Assembly (members elected in October 2016). The last count back of votes took place in December 2017, when Candice Burch was elected by count back following the death of Steve Doszpot. The next ACT election will be held on 17 October 2020.

For more information on the how casual vacancies are filled under the ACT’s Hare-Clark electoral system visit the Elections ACT website.


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Page last updated on 27 June 2019
2015 Legislative Assembly for the ACT